[1] Bertie Mem Hosp, Windsor, NC 27983 USA
[2] East Carolina Univ, Brody Sch Med, Dept Family Med, Family Med, Greenville, NC USA
[3] East Carolina Univ, Family Med, Greenville, NC USA
[4] North Carolina Community Hlth Ctr Assoc, Raleigh, NC USA
[5] Carolina Ctr Med Excellance, Phys Community Serv, Raleigh, NC USA
[6] North Carolina Div Publ Hlth, Diabet Prevent & Control Branch, Dept Hlth & Human Serv, Raleigh, NC USA